Closed loop A/F ratio control for diesel engines using an...

Details Closed loop A/F ratio control for diesel engines using an... Closed loop A/F ratio control for diesel engines using an...

2006-11-21

2006-11-21

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

Reexamination Certificate

active

07137386

ABSTRACT:
A fuel control system for a diesel engine includes a first module that calculates a block learn multiplier (BLM) based on a feedback signal during a closed-loop fuel control period. A second module adjusts a base fueling rate of the diesel engine based on the BLM during an open-loop fuel control period.

REFERENCES:
patent: 4955345 (1990-09-01), Brown et al.
patent: 5094214 (1992-03-01), Kotzan
patent: 5558064 (1996-09-01), Buslepp
patent: 6701905 (2004-03-01), Gaskins

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